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142388494336 = 218112672
BaseRepresentation
bin1000010010011100000…
…1000000000000000000
3111121112022001222000101
42010213001000000000
54313102423304321
6145225023332144
713200343142434
oct2044701000000
9447468058011
10142388494336
1155428658300
1223719751054
131057267c95a
146c6a9349c4
153a85773791
hex2127040000

142388494336 has 171 divisors, whose sum is σ = 317760389247. Its totient is φ = 63756042240.

The previous prime is 142388494307. The next prime is 142388494357. The reversal of 142388494336 is 633494883241.

The square root of 142388494336 is 377344.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (11943936) is a multiple of the sum of its prime factors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2125201375 + ... + 2125201441.

Almost surely, 2142388494336 is an apocalyptic number.

142388494336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

142388494336 is the 377344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142388494336

142388494336 is an abundant number, since it is smaller than the sum of its proper divisors (175371894911).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142388494336 is an frugal number, since it uses more digits than its factorization.

142388494336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 80 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 55.

The spelling of 142388494336 in words is "one hundred forty-two billion, three hundred eighty-eight million, four hundred ninety-four thousand, three hundred thirty-six".